.background {
  background: var(--global-bg);
  .bg {
    display: block;
    position: fixed;
    margin: 0px;
    padding: 0px;
    border: 0px none;
    outline: currentcolor none 0px;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 0;
    webkit-animation: all 4s;
    -moz-animation: all 4s;
    -o-animation: all 4s;
    -ms-animation: all 4s;
    animation: all 4s;
  }
}

.header {
  background-size: cover;
  background-attachment: fixed;
  position: relative;
  background-color: #49b1f5;
  background-position: center center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-repeat: no-repeat;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  -webkit-animation: header-effect 1s;
  -moz-animation: header-effect 1s;
  -o-animation: header-effect 1s;
  -ms-animation: header-effect 1s;
  animation: header-effect 1s;
  height: 100vh;
  width: 100%;
  background-image: url('https://cos-1256179601.cos.ap-guangzhou.myqcloud.com/blog/3bbdcce9d64fbff57c1dcbd6b18019bd39688a94.jpg%401320w_1408h.webp');
}

.site_info {
  position: absolute;
  top: 43%;
  padding: 0 0.5rem;
  width: 100%;

  .site_title {
    font-size: 2.85em;
    font-weight: bold;
    margin: 0;
    color: var(--white);
    text-align: center;
    text-shadow: 0.1rem 0.1rem 0.2rem rgba(0, 0, 0, 0.15);
    line-height: 1.5;
  }
}

.main {
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  margin: 0 auto;
  padding: 2rem 15px;
  max-width: 1200px;
}

.footer {
  position: relative;
  background: #49b1f5;
  background-position-x: 0%;
  background-position-y: 0%;
  background-attachment: scroll;
  background-size: auto;
  background-attachment: local;
  background-position: bottom;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;

  .footer_wraper {
    position: relative;
    padding: 2rem 1rem;
    color: #eee;
    text-align: center;
  }
}
